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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.security;
import java.security.PublicKey;
import org.mozilla.jss.crypto.PrivateKey;
import com.netscape.certsrv.base.EBaseException;
/**
* An interface represents a encryption unit.
*
* @version $Revision$, $Date$
*/
public interface IEncryptionUnit extends IToken {
/**
* Retrieves the public key in this unit.
*
* @return public key
*/
public PublicKey getPublicKey();
/**
* Wraps data. The given key will be wrapped by the
* private key in this unit.
*
* @param priKey private key to be wrapped
* @return wrapped data
* @exception EBaseException failed to wrap
*/
public byte[] wrap(PrivateKey priKey) throws EBaseException;
/**
* Verifies the given key pair.
*
* @param publicKey public key
* @param privateKey private key
*/
public void verify(PublicKey publicKey, PrivateKey privateKey) throws
EBaseException;
/**
* Unwraps data. This method rebuilds the private key by
* unwrapping the private key data.
*
* @param sessionKey session key that unwrap the private key
* @param symmAlgOID symmetric algorithm
* @param symmAlgParams symmetric algorithm parameters
* @param privateKey private key data
* @param pubKey public key
* @return private key object
* @exception EBaseException failed to unwrap
*/
public PrivateKey unwrap(byte sessionKey[], String symmAlgOID,
byte symmAlgParams[], byte privateKey[],
PublicKey pubKey)
throws EBaseException;
/**
* Unwraps data. This method rebuilds the private key by
* unwrapping the private key data.
*
* @param privateKey private key data
* @param pubKey public key object
* @return private key object
* @exception EBaseException failed to unwrap
*/
public PrivateKey unwrap(byte privateKey[], PublicKey pubKey)
throws EBaseException;
/**
* Encrypts the internal private key (private key to the KRA's
* internal storage).
*
* @param rawPrivate user's private key (key to be archived)
* @return encrypted data
* @exception EBaseException failed to encrypt
*/
public byte[] encryptInternalPrivate(byte rawPrivate[])
throws EBaseException;
/**
* Decrypts the internal private key (private key from the KRA's
* internal storage).
*
* @param wrappedPrivateData unwrapped private key data (key to be recovered)
* @return raw private key
* @exception EBaseException failed to decrypt
*/
public byte[] decryptInternalPrivate(byte wrappedPrivateData[])
throws EBaseException;
/**
* Decrypts the external private key (private key from the end-user).
*
* @param sessionKey session key that protects the user private
* @param symmAlgOID symmetric algorithm
* @param symmAlgParams symmetric algorithm parameters
* @param privateKey private key data
* @return private key data
* @exception EBaseException failed to decrypt
*/
public byte[] decryptExternalPrivate(byte sessionKey[],
String symmAlgOID,
byte symmAlgParams[], byte privateKey[])
throws EBaseException;
}
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